WORLDBOOK

JavaScript Handler Copy

(params) => {
  const run = async function(args) {

      if (!args.symbol) return {error: 'Missing argument: symbol', hint: 'Please provide a stock ticker symbol, e.g. AAPL'};

      var symbol = args.symbol.toUpperCase().trim();

      // Try v7 quote API first
      var url = 'https://query1.finance.yahoo.com/v7/finance/quote?symbols=' + encodeURIComponent(symbol);
      var resp;
      var data;

      try {
        resp = await fetch(url, {
          headers: {
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36',
            'Accept': 'application/json'
          }
        });

        if (resp.ok) {
          data = await resp.json();
          var results = data && data.quoteResponse && data.quoteResponse.result;
          if (results && results.length > 0) {
            var q = results[0];
            return formatQuote(q);
          }
        }
      } catch(e) {
        // v7 failed (likely CORS), fall through to alternatives
      }

      // Fallback: try v8 chart API
      try {
        var chartUrl = 'https://query1.finance.yahoo.com/v8/finance/chart/' + encodeURIComponent(symbol) + '?interval=1d&range=1d';
        resp = await fetch(chartUrl, {
          headers: {
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36',
            'Accept': 'application/json'
          }
        });

        if (resp.ok) {
          data = await resp.json();
          var chart = data && data.chart && data.chart.result && data.chart.result[0];
          if (chart) {
            return formatChart(chart, symbol);
          }
        }
      } catch(e) {
        // v8 also failed, fall through
      }

      // Fallback: scrape from Yahoo Finance page via page context
      try {
        var pageUrl = 'https://finance.yahoo.com/quote/' + encodeURIComponent(symbol) + '/';
        resp = await fetch(pageUrl, {
          headers: {
            'User-Agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36',
            'Accept': 'text/html'
          }
        });

        if (resp.ok) {
          var html = await resp.text();

          // Try to extract JSON data embedded in the page
          var jsonMatch = html.match(/root\.App\.main\s*=\s*(\{.*?\});\s*\n/);
          if (jsonMatch) {
            var appData = JSON.parse(jsonMatch[1]);
            var stores = appData && appData.context && appData.context.dispatcher && appData.context.dispatcher.stores;
            if (stores && stores.QuoteSummaryStore && stores.QuoteSummaryStore.price) {
              var price = stores.QuoteSummaryStore.price;
              return {
                symbol: symbol,
                name: price.shortName || price.longName || symbol,
                price: price.regularMarketPrice && price.regularMarketPrice.raw,
                change: price.regularMarketChange && price.regularMarketChange.raw,
                changePercent: price.regularMarketChangePercent && price.regularMarketChangePercent.raw
                  ? (price.regularMarketChangePercent.raw * 100).toFixed(2) + '%' : null,
                currency: price.currency,
                exchange: price.exchangeName,
                marketState: price.marketState,
                url: pageUrl
              };
            }
          }

          // Try to extract from newer page format (FinanceConfigStore or similar)
          var titleMatch = html.match(/<title>([^<]+)<\/title>/);
          var priceMatch = html.match(/data-testid="qsp-price"[^>]*>([^<]+)</);
          var changeMatch = html.match(/data-testid="qsp-price-change"[^>]*>([^<]+)</);
          var changePctMatch = html.match(/data-testid="qsp-price-change-percent"[^>]*>([^<]+)</);

          if (priceMatch) {
            return {
              symbol: symbol,
              name: titleMatch ? titleMatch[1].split('(')[0].trim() : symbol,
              price: priceMatch[1].replace(/,/g, ''),
              change: changeMatch ? changeMatch[1] : null,
              changePercent: changePctMatch ? changePctMatch[1] : null,
              source: 'page-scrape',
              url: pageUrl
            };
          }

          return {error: 'Could not parse quote data from page', symbol: symbol, url: pageUrl};
        }
      } catch(e) {
        // All methods failed
      }

      return {error: 'Failed to fetch quote for ' + symbol, hint: 'All API methods failed. The symbol may be invalid or Yahoo Finance may be blocking requests.'};

      function formatQuote(q) {
        return {
          symbol: q.symbol,
          name: q.shortName || q.longName || q.symbol,
          price: q.regularMarketPrice,
          change: q.regularMarketChange != null ? q.regularMarketChange.toFixed(2) : null,
          changePercent: q.regularMarketChangePercent != null ? q.regularMarketChangePercent.toFixed(2) + '%' : null,
          open: q.regularMarketOpen,
          high: q.regularMarketDayHigh,
          low: q.regularMarketDayLow,
          prevClose: q.regularMarketPreviousClose,
          volume: q.regularMarketVolume,
          marketCap: formatLargeNumber(q.marketCap),
          pe: q.trailingPE != null ? q.trailingPE.toFixed(2) : null,
          eps: q.epsTrailingTwelveMonths != null ? q.epsTrailingTwelveMonths.toFixed(2) : null,
          week52High: q.fiftyTwoWeekHigh,
          week52Low: q.fiftyTwoWeekLow,
          avgVolume: q.averageDailyVolume3Month,
          currency: q.currency,
          exchange: q.fullExchangeName || q.exchange,
          marketState: q.marketState,
          quoteType: q.quoteType,
          url: 'https://finance.yahoo.com/quote/' + q.symbol + '/'
        };
      }

      function formatChart(chart, sym) {
        var meta = chart.meta || {};
        var indicators = chart.indicators;
        var quoteData = indicators && indicators.quote && indicators.quote[0];
        var timestamps = chart.timestamp || [];

        var lastIdx = timestamps.length - 1;
        var currentPrice = meta.regularMarketPrice || (quoteData && quoteData.close && quoteData.close[lastIdx]);
        var prevClose = meta.previousClose || meta.chartPreviousClose;
        var change = (currentPrice != null && prevClose != null) ? (currentPrice - prevClose) : null;
        var changePct = (change != null && prevClose) ? ((change / prevClose) * 100) : null;

        return {
          symbol: meta.symbol || sym,
          name: meta.shortName || meta.longName || sym,
          price: currentPrice != null ? Number(currentPrice.toFixed(2)) : null,
          change: change != null ? change.toFixed(2) : null,
          changePercent: changePct != null ? changePct.toFixed(2) + '%' : null,
          open: quoteData && quoteData.open ? quoteData.open[0] : null,
          high: quoteData && quoteData.high ? Math.max.apply(null, quoteData.high.filter(function(v) { return v != null; })) : null,
          low: quoteData && quoteData.low ? Math.min.apply(null, quoteData.low.filter(function(v) { return v != null; })) : null,
          prevClose: prevClose,
          volume: meta.regularMarketVolume || (quoteData && quoteData.volume ? quoteData.volume[lastIdx] : null),
          currency: meta.currency,
          exchange: meta.exchangeName,
          marketState: meta.marketState,
          source: 'chart-api',
          url: 'https://finance.yahoo.com/quote/' + (meta.symbol || sym) + '/'
        };
      }

      function formatLargeNumber(v) {
        if (v == null) return null;
        if (v >= 1e12) return (v / 1e12).toFixed(2) + 'T';
        if (v >= 1e9) return (v / 1e9).toFixed(2) + 'B';
        if (v >= 1e6) return (v / 1e6).toFixed(2) + 'M';
        if (v >= 1e3) return (v / 1e3).toFixed(2) + 'K';
        return v.toString();
      }
  };
  return run(params || {});
}